GiESCO 2019 banner
IVES 9 IVES Conference Series 9 GiESCO 9 Evaluation of a biological foliar fertilization system, in the production, agronomic and quality characteristics of three wine grape varieties

Evaluation of a biological foliar fertilization system, in the production, agronomic and quality characteristics of three wine grape varieties

Abstract

Context and purpose of the study – Evaluation of the fertility management practices in wine grape varieties production. Wine grape represents one of the most important productions in Greece with major impact to the socioeconomic characteristics of the country. The objective of this study is to evaluate, with the support of Geospatial Technologies, the potential effects of an innovative foliar fertilizer system, which is composed of three parts: a mineral fertilizer in a micronized formulation, a biostimulant as an enhancing factor of the process and, an amino acid compound (SANOVITA concept). The study was established at a collaborative, private vineyard, in the area of Trilofos-Thessaloniki, at the region of Northern Greece. The overall process will enhance the existing, cultivating practices of the vineyard, developing qualitative characteristics of the final product in order to establish a strong brand name called “Petit Oineonas”. The spraying was chosen to be made in only three French varieties (Merlot, Cabernet Sauvignon and Syrah), mainly because of an equal area size.

Material and methods – The vineyard was established at the location of Trilofos, Thessaloniki, Greece in fifteen lines in an area of almost 0.4 ha (4 stremmata). Half of the vineyard is sprayed with the system at two growth stages, while the grower applies organic management to the vineyard. The experimental design includes for each line of the fifteen corridors the following approaches: 1st part-a Control part with no application, 2nd part-an application of the SANOVITA concept (applied foliar in two growth stages during the growing season), 3rd part-a second Control part with no application and 4th part- an application of the SANOVITA concept. Data measured included NDVI, GIS (Geographic Information Systems) applications, use of Sentinel-2 satellite images, fruit size, sugar content and visible observations were recorded.

Results – Results from this year, have shown that the additional application of the foliar system based on GIS applications and spatial statistics has increased the yield and improved the overall quality of the grapes (weight, grape size and resulted in changes in sugar content). The study will be continued for additional 3 years for establishing further spatiotemporal comparison achievements.

DOI:

Publication date: September 28, 2023

Issue: GiESCO 2019

Type: Poster

Authors

Konstantinos ZOUKIDIS1, Athanasios GERTSIS1, Avraam MAVRIDIS1*Ourania-Elodie SOUFLEROU2, Evangelos SOUFLEROS3

Perrotis College, American Farm School, GR570 01, Thessaloniki, GREECE
Vineyard & Winery, “Christiane Jardel Soufleros”Trilofos GR575 00, Thessaloniki, GREECE
3 Laboratory of Oenology and Alcoholic Beverages, Department of Food Science &Technology, School of Agriculture, Faculty of Agriculture, Forestry and Natural Environment, Aristotle University of Thessaloniki, Thessaloniki, GREECE

Contact the author

Keywords

vineyard, GIS (Geographic Information Systems), Merlot, Cabernet Sauvignon, Syrah, SANOVITA concept

Tags

GiESCO | GiESCO 2019 | IVES Conference Series

Citation

Related articles…

Enhancing hydric stress tolerance by editing the VviMYB60 promoter with CRISPR/Cas9 

Climate change presents increasing challenges to viticulture, particularly with rising water stress contributing significantly to yield losses and damages. The identification of the MYB60 transcription factor, which regulates stomatal opening and closing in Arabidopsis thaliana and Vitis vinifera, offers potential solutions. Notably, knockout studies in Arabidopsis have shown reduced stomatal opening and increased drought tolerance in myb60 mutants. Additionally, the grapevine ortholog, VviMYB60, can restore the wild-type phenotype of Arabidopsis myb60 mutants. Further investigation of the Arabidopsis promoter region has revealed that mutations in DOF motifs lead to reduced expression of AtMYB60.

Piloting grape ripening in a global warming scenario: feasible techniques are available

Under the pressure of global warming, several wine grape growing regions around the world are increasingly suffering from advanced and compressed phenology; endangering wine character while also creating serious logistic problems. From a physiological standpoint, the issue of delaying ripening is not simple as, in several instances, only a few processes must be delayed (i.e. sugar accumulation into the berries) while other events such as pigmentation and accumulation of other important phenolic compounds should proceed at a normal rate. Thus, the issue of decoupling technological maturity from phenolic maturity is another important consideration. Over the last decades, several research groups have endeavored to establish alternate cultural practices aimed at addressing this decoupling. In some cases, special applications of quite robust and well known practices regarding physiological principles have been utilized, however some completely new techniques are also being studied. In figure 1 of the review, we offer a panorama of the available tools and in the text we elaborate on those having provided most reliable and consistent results under an array of genotypes and environmental conditions. Among these, primary focus is given to post‐veraison—apical to the cluster—leaf removal (that can also be suitably replaced by applications of anti‐transpirants); the use of kaolin against multiple summers’ stresses; and a drastic version of late winter pruning having the potential to postpone ripening into a cooler period with improved grape composition and a limited negative impact on yield and storage reserves replenishment. 

An analysis of wine geographical indications from the perspective of the theory of industrial organizations: what are the trade off?

From Porto and then through Bordeaux, Champagne and Bourgogne, wine geographical indications (gi) were the driving models for this form of protection of distinctive signs for collective use. Many studies present the benefits of recognizing a gi for a given region, the challenges of its implementation, as well as the possibilities of promoting territorial development.

The wine microbial consortium: a real terroir characteristic

Yeast, bacteria, species and strains play a key role in the winemaking process by producing metabolites which determine the sensorial qualities of wine. Therefore microbial population numeration, species identification and strains discrimination from berry surface at harvest to storage in bottle are fundamental.

Influence of trellis system and shoot density in yield and grape composition of a vineyard of Cabernet Sauvignon, in warm climate

In vineyards grown in warm areas, it is usual that the stage of maturity of the grapes is fast and easily reach a high concentration of sugar and low acidity, but not a adequate phenolic maturation. The geometry of the trellis system and the shoot density can modify the microclimate of the cluster and, therefore, the maturation process.